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Property, Plant and Equipment - Summary of Changes in Preperty, Plant and Equipment (Details) (Parenthetical) - KRW (₩)
₩ in Millions
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Disclosure of detailed information about property, plant and equipment [line items]      
Revenue ₩ 70,546,024 ₩ 60,012,375 ₩ 57,926,634
Cost of sales 100,903,594 ₩ 63,644,290 ₩ 51,804,179
Property, Plant and Equipment-Proceeds before Intended Use [member]      
Disclosure of detailed information about property, plant and equipment [line items]      
Revenue 94,264    
Property Plant and Equipment Costs Before Intended Use [Member]      
Disclosure of detailed information about property, plant and equipment [line items]      
Cost of sales ₩ 63,405